1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * lnbh25.c 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Driver for LNB supply and control IC LNBH25 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Copyright (C) 2014 NetUP Inc. 8*4882a593Smuzhiyun * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> 9*4882a593Smuzhiyun * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> 10*4882a593Smuzhiyun */ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #ifndef LNBH25_H 13*4882a593Smuzhiyun #define LNBH25_H 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #include <linux/i2c.h> 16*4882a593Smuzhiyun #include <linux/dvb/frontend.h> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* 22 kHz tone enabled. Tone output controlled by DSQIN pin */ 19*4882a593Smuzhiyun #define LNBH25_TEN 0x01 20*4882a593Smuzhiyun /* Low power mode activated (used only with 22 kHz tone output disabled) */ 21*4882a593Smuzhiyun #define LNBH25_LPM 0x02 22*4882a593Smuzhiyun /* DSQIN input pin is set to receive external 22 kHz TTL signal source */ 23*4882a593Smuzhiyun #define LNBH25_EXTM 0x04 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun struct lnbh25_config { 26*4882a593Smuzhiyun u8 i2c_address; 27*4882a593Smuzhiyun u8 data2_config; 28*4882a593Smuzhiyun }; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_LNBH25) 31*4882a593Smuzhiyun struct dvb_frontend *lnbh25_attach( 32*4882a593Smuzhiyun struct dvb_frontend *fe, 33*4882a593Smuzhiyun struct lnbh25_config *cfg, 34*4882a593Smuzhiyun struct i2c_adapter *i2c); 35*4882a593Smuzhiyun #else lnbh25_attach(struct dvb_frontend * fe,struct lnbh25_config * cfg,struct i2c_adapter * i2c)36*4882a593Smuzhiyunstatic inline struct dvb_frontend *lnbh25_attach( 37*4882a593Smuzhiyun struct dvb_frontend *fe, 38*4882a593Smuzhiyun struct lnbh25_config *cfg, 39*4882a593Smuzhiyun struct i2c_adapter *i2c) 40*4882a593Smuzhiyun { 41*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 42*4882a593Smuzhiyun return NULL; 43*4882a593Smuzhiyun } 44*4882a593Smuzhiyun #endif 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun #endif 47